TY - BOOK AU - Riggs,James L. TI - Essentials of engineering economics SN - 0070528640 PY - 1982/// CY - New York PB - McGraw-Hill KW - Engineering economy KW - Managerial economics N1 - Bibliography: p.511-513; Contains the first nineteen chapters of the author's Engineering economics, 2d ed, 1982 ER -